./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 00b10dfd14acd142646ae09b1206340a51cf97e581041b12557b145a3b0996b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:05,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:05,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:36:05,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:05,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:05,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:05,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:05,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:05,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:05,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:05,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:05,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:05,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:05,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:05,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:05,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:05,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:05,865 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:05,865 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:05,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:05,867 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:05,867 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:05,868 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:05,868 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:05,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:05,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:05,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:05,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:05,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:05,872 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:05,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:05,873 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:05,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00b10dfd14acd142646ae09b1206340a51cf97e581041b12557b145a3b0996b7 [2023-11-21 18:36:06,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:06,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:06,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:06,191 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:06,192 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:06,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_good.i [2023-11-21 18:36:09,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:09,868 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:09,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_good.i [2023-11-21 18:36:09,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/data/b63d7f80b/1e265e49b50848b6ad98ed4e0cd74259/FLAGaa4b9ca88 [2023-11-21 18:36:09,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/data/b63d7f80b/1e265e49b50848b6ad98ed4e0cd74259 [2023-11-21 18:36:09,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:09,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:09,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:09,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:09,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:09,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:09" (1/1) ... [2023-11-21 18:36:09,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d8b896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:09, skipping insertion in model container [2023-11-21 18:36:09,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:09" (1/1) ... [2023-11-21 18:36:10,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:10,494 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:36:11,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:11,240 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:11,271 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:36:11,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:11,601 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:11,601 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:11,602 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:11,602 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:11,602 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:11,602 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:11,610 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:11,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11 WrapperNode [2023-11-21 18:36:11,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:11,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:11,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:11,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:11,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,690 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2023-11-21 18:36:11,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:11,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:11,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:11,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:11,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:11,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:11,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:11,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:11,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:11,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:11,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:11,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:11,842 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:36:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:36:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:36:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:36:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:36:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:36:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:36:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:36:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:12,068 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:12,071 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:12,370 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:12,411 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:12,411 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:36:12,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:12 BoogieIcfgContainer [2023-11-21 18:36:12,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:12,414 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:12,414 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:12,426 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:12,426 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:12" (1/1) ... [2023-11-21 18:36:12,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-21 18:36:12,520 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-21 18:36:12,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:36:12,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:12,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 76 transitions. [2023-11-21 18:36:12,922 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-21 18:36:12,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:36:12,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:13,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 82 transitions. [2023-11-21 18:36:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-21 18:36:13,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:36:13,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 60 states and 81 transitions. [2023-11-21 18:36:13,247 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2023-11-21 18:36:13,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:36:13,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:13,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 74 transitions. [2023-11-21 18:36:13,467 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-21 18:36:13,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:36:13,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:13,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 57 states and 76 transitions. [2023-11-21 18:36:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-21 18:36:13,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:36:13,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 63 states and 86 transitions. [2023-11-21 18:36:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2023-11-21 18:36:14,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:36:14,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 80 transitions. [2023-11-21 18:36:14,503 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-21 18:36:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:36:14,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:14,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 64 states and 87 transitions. [2023-11-21 18:36:14,716 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-21 18:36:14,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:14,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 84 transitions. [2023-11-21 18:36:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-21 18:36:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:14,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 88 transitions. [2023-11-21 18:36:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-21 18:36:15,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:15,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:15,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 87 transitions. [2023-11-21 18:36:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-11-21 18:36:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:36:15,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:15,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 89 transitions. [2023-11-21 18:36:15,587 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2023-11-21 18:36:15,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:36:15,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:15,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 67 states and 87 transitions. [2023-11-21 18:36:15,878 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-11-21 18:36:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:15,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:15,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 54 states and 70 transitions. [2023-11-21 18:36:15,947 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-21 18:36:15,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:15,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 52 states and 67 transitions. [2023-11-21 18:36:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-21 18:36:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:36:16,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:16,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 54 states and 71 transitions. [2023-11-21 18:36:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-21 18:36:16,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:36:16,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 55 states and 72 transitions. [2023-11-21 18:36:16,336 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-21 18:36:16,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:36:16,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,413 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:36:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 64 states and 86 transitions. [2023-11-21 18:36:17,086 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-11-21 18:36:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:17,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:17,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 67 states and 90 transitions. [2023-11-21 18:36:17,430 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2023-11-21 18:36:17,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:36:17,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:17,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 70 states and 94 transitions. [2023-11-21 18:36:17,811 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-11-21 18:36:17,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:36:17,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:18,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 63 states and 82 transitions. [2023-11-21 18:36:18,196 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-21 18:36:18,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:18,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 67 states and 88 transitions. [2023-11-21 18:36:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-21 18:36:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:36:18,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:19,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 71 states and 92 transitions. [2023-11-21 18:36:19,020 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-21 18:36:19,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:36:19,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 76 states and 100 transitions. [2023-11-21 18:36:19,306 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-21 18:36:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:36:19,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,351 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 70 states and 91 transitions. [2023-11-21 18:36:19,453 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-11-21 18:36:19,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:19,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:36:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 48 states and 60 transitions. [2023-11-21 18:36:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-21 18:36:19,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:19,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:19,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 47 states and 59 transitions. [2023-11-21 18:36:19,629 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-21 18:36:19,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:36:19,630 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2023-11-21 18:36:19,639 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:36:19,977 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:36:19,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:36:19 ImpRootNode [2023-11-21 18:36:19,984 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:36:19,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:36:19,984 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:36:19,985 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:36:19,985 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:12" (3/4) ... [2023-11-21 18:36:19,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:36:19,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:36:19,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:36:20,005 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-21 18:36:20,006 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:36:20,006 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:36:20,007 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:36:20,007 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:36:20,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:36:20,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:36:20,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:36:20,157 INFO L158 Benchmark]: Toolchain (without parser) took 10217.54ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 122.9MB in the beginning and 191.7MB in the end (delta: -68.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-21 18:36:20,157 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:36:20,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1668.70ms. Allocated memory is still 169.9MB. Free memory was 122.9MB in the beginning and 102.8MB in the end (delta: 20.1MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-21 18:36:20,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.95ms. Allocated memory is still 169.9MB. Free memory was 102.8MB in the beginning and 99.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:36:20,159 INFO L158 Benchmark]: Boogie Preprocessor took 33.04ms. Allocated memory is still 169.9MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:36:20,159 INFO L158 Benchmark]: RCFGBuilder took 688.25ms. Allocated memory is still 169.9MB. Free memory was 97.4MB in the beginning and 78.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:36:20,159 INFO L158 Benchmark]: CodeCheck took 7569.53ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 78.5MB in the beginning and 197.9MB in the end (delta: -119.4MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2023-11-21 18:36:20,160 INFO L158 Benchmark]: Witness Printer took 171.87ms. Allocated memory is still 247.5MB. Free memory was 197.9MB in the beginning and 191.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:36:20,162 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4316 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1903 mSDsluCounter, 3948 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1545 mSDsCounter, 1104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4826 IncrementalHoareTripleChecker+Invalid, 5930 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1104 mSolverCounterUnsat, 2403 mSDtfsCounter, 4826 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6461 GetRequests, 6309 SyntacticMatches, 12 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9481 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 653 NumberOfCodeBlocks, 653 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 626 ConstructedInterpolants, 0 QuantifiedInterpolants, 1349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 132/132 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1668.70ms. Allocated memory is still 169.9MB. Free memory was 122.9MB in the beginning and 102.8MB in the end (delta: 20.1MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.95ms. Allocated memory is still 169.9MB. Free memory was 102.8MB in the beginning and 99.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.04ms. Allocated memory is still 169.9MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 688.25ms. Allocated memory is still 169.9MB. Free memory was 97.4MB in the beginning and 78.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 7569.53ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 78.5MB in the beginning and 197.9MB in the end (delta: -119.4MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Witness Printer took 171.87ms. Allocated memory is still 247.5MB. Free memory was 197.9MB in the beginning and 191.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:36:20,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f56ea0-5eec-482e-862b-7bf16b43d0d0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE